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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Field instrument to PLC is best defined by which of the answers below?
Which of the answers below best reflects an unguided medium?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the highest level alarm, demanding prompt operator action?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the quickest response times?
Ethernet/IP is based on a protocol that the higher OSI layers of DeviceNet uses. Which of the answers below is the correct acronym for this protocol?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61131-3?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the bridge interacts with?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the connection to the control system performed?
IPv4 has several distinct classifications. Looking at the answers below, choose the one that contains all of the classifications.
A media access control address is the name of the physical address that the Ethernet uses. Which of the answers represent the number of bytes that make up this MAC?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.
An industrial network can, with a set of configured rules, scan network traffic flow for security issues. Which of the terms below best represents this type of security measure?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second smallest in area covered?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves input register # 30009?